Rhinogradentia

Steiner is best known for a 1961 book authored pseudonymously as Harald Stümpke on the anatomy and habits of the rhinogradentia, a fictitious order of extinctmammals whose nose evolved in unusual ways.[5]

He has published also under the pseudonyms of Justus Andereich,[5] Trotzhard Wiederumb,[5] and Karl D.S. Geeste.[6]